python之随机验证码

一、内置函数

chr ------把数字转换为字母

ord-------把字母转换为数字

n = chr(65)

print (n)

m = ord("A")

print(m)

二、随机验证码

import random
li = []
for i in range(6):
    tmpe = random.randrange(65,91)
    c = chr(tmpe)
    li.append(c)
aa = "".join(li)
print(aa)

改进版

import random
li = []
for i in range(6):
    r = random.randrange(0,5)
    if r == 2 or r==4:
        name = random.randrange(0,10)
        li.append(str(name))
    else:
        tmpe = random.randrange(65,91)
        c = chr(tmpe)
        li.append(c)
aa = "".join(li)
print(aa)

2022-01-02
2022-12-23
2022-12-23